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[Music]  hi I'm Jeff Cote with Pacific yacht  systems and what we're going to talk  about is battery chargers what is a  battery charger a battery charger is a  device that converts AC that can come  either from shore power or a generator  and you convert that power 4 to DC and  it allows you to recharge your batteries  and modern battery chargers are  basically what are called smart battery  chargers meaning they follow through a  three-stage step bulk absorption float  some of them aren't even doing a fourth  stage now where do they actually stop  charging the batteries and then recharge  the flow and battery chargers can be  left on your boat indefinitely you know  that's that's why they're better than  the older Ferro resonant chargers on my  boat I've had my battery charger on for  now since the owning my boat for 10 11  12 years and I leave it on all the time  whenever I'm connected to shore power  and I never have to worry if my  batteries are gonna be overcharged and  it's a really good way to maintain your  batteries and to have your batteries  last longer because when you're not on  your boats your batteries are not  depleting or self discharging battery  chargers come in so many different sizes  from different manufacturers you know  you can start from a battery charger 5  amps and we've done up to you know 100  amp 24 volt chargers what I like about  battery chargers is nowadays is that you  can even customize or change the profile  of the battery chemistry so if you've  got a battery charger on your boat and  you're changing your batteries to for  example AGM make sure that your charger  is compatible with AGM batteries and the  other thing that you want to look for is  as we all add more and more batteries on  our boat the minimum charge rate of your  charger should be at least 10% of your  battery capacity so for instance if  you've got 4 golf carts flooded  lead-acid wired in a 12 volt bank you're  looking at about a charge rate of a  minimum about 40 amps or 50 ant's charge  rate for those batteries so those are  the two things to look for having a  charger that is compatible for the  battery chemistry that you have and also  making sure that your battery charger is  the right charge rate for your batteries  if you've got more questions about  battery chargers contact us at pacific  yacht systems thanks for listening